The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "buy" appeared
2019-04-01 : Interview with Der Standard2018-05-29 : Monetary policy - end of history?
2017-10-09 : Between low interest rates and bond purchases - has European monetary policy reached a dead end?
2017-07-29 : Interview with Mannheimer Morgen
2014-07-06 : Interview with Frankfurter Allgemeine Sonntagszeitung: Savers are not being dispossessed
2014-03-11 : Interview with the Wall Street Journal